2107868251 has 2 divisors, whose sum is σ = 2107868252. Its totient is φ = 2107868250.

The previous prime is 2107868197. The next prime is 2107868291. The reversal of 2107868251 is 1528687012.

It is an a-pointer prime, because the next prime (2107868291) can be obtained adding 2107868251 to its sum of digits (40).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2107868251 - 2⁷ = 2107868123 is a prime.

It is not a weakly prime, because it can be changed into another prime (2107868291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1053934125 + 1053934126.

It is an arithmetic number, because the mean of its divisors is an integer number (1053934126).

Almost surely, 2^2107868251 is an apocalyptic number.

2107868251 is a deficient number, since it is larger than the sum of its proper divisors (1).

2107868251 is an equidigital number, since it uses as much as digits as its factorization.

2107868251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 53760, while the sum is 40.

The square root of 2107868251 is about 45911.5263414320. The cubic root of 2107868251 is about 1282.1765237686.

The spelling of 2107868251 in words is "two billion, one hundred seven million, eight hundred sixty-eight thousand, two hundred fifty-one".